68845240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 165434400

約数和(自身を除く): 96589160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 137, 170, 274, 340, 548, 680, 685, 739, 1096, 1370, 1478, 2329, 2740, 2956, 3695, 4658, 5480, 5912, 7390, 9316, 11645, 12563, 14780, 18632, 23290, 25126, 29560, 46580, 50252, 62815, 93160, 100504, 101243, 125630, 202486, 251260, 404972, 502520, 506215, 809944, 1012430, 1721131, 2024860, 3442262, 4049720, 6884524, 8605655, 13769048, 17211310, 34422620, 68845240]

約数ペア:

[(1, 68845240), (2, 34422620), (4, 17211310), (5, 13769048), (8, 8605655), (10, 6884524), (17, 4049720), (20, 3442262), (34, 2024860), (40, 1721131), (68, 1012430), (85, 809944), (136, 506215), (137, 502520), (170, 404972), (274, 251260), (340, 202486), (548, 125630), (680, 101243), (685, 100504), (739, 93160), (1096, 62815), (1370, 50252), (1478, 46580), (2329, 29560), (2740, 25126), (2956, 23290), (3695, 18632), (4658, 14780), (5480, 12563), (5912, 11645), (7390, 9316)]